RANKING · 2024 ACS · 88 SHOWN OF 88

Largest Irish population, Ohio counties

Ohio counties ranked by the number of residents who are Irish ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 88 counties in Ohio that qualify, ranked against each other statewide.

OhioAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2000

01Franklin County, OHOH1,361,536149,529–

02Cuyahoga County, OHOH1,232,925145,837–

03Hamilton County, OHOH838,418100,835–

04Summit County, OHOH538,37671,812–

05Montgomery County, OHOH539,59863,324–

06Stark County, OHOH373,77148,744–

07Lucas County, OHOH423,34748,084–

08Butler County, OHOH400,12847,247–

09Lorain County, OHOH323,21943,573–

10Lake County, OHOH232,21740,155–

11Delaware County, OHOH242,03233,038–

12Mahoning County, OHOH224,70631,524–

13Warren County, OHOH257,18130,624–

14Clermont County, OHOH216,97729,102–

15Medina County, OHOH185,02529,056–

16Licking County, OHOH185,56423,864–

17Trumbull County, OHOH198,97222,643–

18Greene County, OHOH174,32222,258–

19Portage County, OHOH163,40422,256–

20Fairfield County, OHOH169,75219,337–

21Clark County, OHOH135,34017,429–

22Columbiana County, OHOH99,37716,960–

23Wood County, OHOH134,17615,095–

24Geauga County, OHOH95,67614,471–

25Ashtabula County, OHOH96,71313,860–

26Richland County, OHOH124,89313,680–

27Miami County, OHOH112,63413,297–

28Wayne County, OHOH116,75811,659–

29Allen County, OHOH100,88111,611–

30Tuscarawas County, OHOH92,37311,116–

31Erie County, OHOH73,29610,803–

32Jefferson County, OHOH63,5979,905–

33Muskingum County, OHOH87,0149,756–

34Athens County, OHOH63,1979,531–

35Scioto County, OHOH71,3659,076–

36Belmont County, OHOH64,4348,896–

37Union County, OHOH73,4468,817–

38Ross County, OHOH76,4298,695–

39Pickaway County, OHOH62,9788,641–

40Marion County, OHOH65,1158,046–

41Washington County, OHOH58,3898,041–

42Knox County, OHOH64,0027,863–

43Lawrence County, OHOH55,7107,434–

44Hancock County, OHOH75,0346,756–

45Madison County, OHOH46,9856,574–

46Huron County, OHOH58,2506,334–

47Sandusky County, OHOH58,6556,172–

48Guernsey County, OHOH38,3796,130–

49Clinton County, OHOH42,3015,899–

50Seneca County, OHOH54,5225,897–

51Logan County, OHOH46,3025,855–

52Ashland County, OHOH52,5235,735–

53Champaign County, OHOH38,8205,432–

54Brown County, OHOH44,3975,372–

55Highland County, OHOH43,8235,292–

56Darke County, OHOH51,5205,228–

57Ottawa County, OHOH39,4815,215–

58Fulton County, OHOH41,8535,109–

59Auglaize County, OHOH45,9094,920–

60Coshocton County, OHOH37,1884,899–

61Crawford County, OHOH41,8964,801–

62Perry County, OHOH35,9184,672–

63Shelby County, OHOH48,0654,624–

64Preble County, OHOH40,6644,524–

65Morrow County, OHOH36,3054,418–

66Fayette County, OHOH28,5523,889–

67Jackson County, OHOH32,8173,876–

68Adams County, OHOH27,8653,846–

69Williams County, OHOH36,5493,769–

70Carroll County, OHOH26,4753,638–

71Gallia County, OHOH29,0723,609–

72Mercer County, OHOH42,7373,590–

73Defiance County, OHOH38,2923,503–

74Hocking County, OHOH27,5123,381–

75Hardin County, OHOH30,0723,198–

76Meigs County, OHOH21,5872,701–

77Pike County, OHOH27,0612,606–

78Henry County, OHOH27,5982,518–

79Putnam County, OHOH34,3802,326–

80Wyandot County, OHOH21,5672,200–

81Van Wert County, OHOH29,0131,995–

82Noble County, OHOH14,2761,715–

83Harrison County, OHOH14,0701,680–

84Holmes County, OHOH44,9701,670–

85Paulding County, OHOH18,7271,630–

86Morgan County, OHOH13,6261,584–

87Monroe County, OHOH12,9941,384–

88Vinton County, OHOH12,6451,330–

SHOWING 1–88 OF 88

Download CSV (full list, 88 rows)

UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES